exa: fix rendering issue on some 855GM laptops

This trys to initialize more 3d states on i830 like mesa
code, which fixes exa rendering failure for some 855GM users.

1 files changed, 126 insertions, 9 deletions

diff --git a/src/i830_3d.c b/src/i830_3d.c
index 563dcef7..45e02c4d 100644
--- a/src/i830_3d.c
+++ b/src/i830_3d.c
@@ -38,7 +38,7 @@ void I830EmitInvarientState( ScrnInfoPtr pScrn )
 {
    I830Ptr pI830 = I830PTR(pScrn);
 
-   BEGIN_LP_RING(40);
+   BEGIN_LP_RING(58);
 
    OUT_RING(_3DSTATE_MAP_CUBE | MAP_UNIT(0));
    OUT_RING(_3DSTATE_MAP_CUBE | MAP_UNIT(1));
@@ -62,7 +62,6 @@ void I830EmitInvarientState( ScrnInfoPtr pScrn )
    OUT_RING(0);
    OUT_RING(0);
 
-
    OUT_RING(_3DSTATE_MAP_TEX_STREAM_CMD |
 	     MAP_UNIT(0) |
 	     DISABLE_TEX_STREAM_BUMP |
@@ -97,12 +96,6 @@ void I830EmitInvarientState( ScrnInfoPtr pScrn )
    OUT_RING(_3DSTATE_MAP_COORD_TRANSFORM);
    OUT_RING(DISABLE_TEX_TRANSFORM | TEXTURE_SET(3));
 
-   OUT_RING(_3DSTATE_MAP_COORD_SETBIND_CMD);
-   OUT_RING(TEXBIND_SET3(TEXCOORDSRC_VTXSET_3) |
-   	TEXBIND_SET2(TEXCOORDSRC_VTXSET_2) |
-   	TEXBIND_SET1(TEXCOORDSRC_VTXSET_1) |
-   	TEXBIND_SET0(TEXCOORDSRC_VTXSET_0));
-	
    OUT_RING(_3DSTATE_RASTER_RULES_CMD |
 	     ENABLE_POINT_RASTER_RULE |
 	     OGL_POINT_RASTER_RULE |
@@ -127,9 +120,133 @@ void I830EmitInvarientState( ScrnInfoPtr pScrn )
    OUT_RING(MAGIC_W_STATE_DWORD1);
    OUT_RING(0x3f800000 /* 1.0 in IEEE float */ );
 
-
    OUT_RING(_3DSTATE_COLOR_FACTOR_CMD);
    OUT_RING(0x80808080);	/* .5 required in alpha for GL_DOT3_RGBA_EXT */
 
+   OUT_RING(_3DSTATE_MAP_COORD_SETBIND_CMD);
+   OUT_RING(TEXBIND_SET3(TEXCOORDSRC_VTXSET_3) |
+   	TEXBIND_SET2(TEXCOORDSRC_VTXSET_2) |
+   	TEXBIND_SET1(TEXCOORDSRC_VTXSET_1) |
+   	TEXBIND_SET0(TEXCOORDSRC_VTXSET_0));
+
+   /* copy from mesa */
+   OUT_RING(_3DSTATE_INDPT_ALPHA_BLEND_CMD |
+	   DISABLE_INDPT_ALPHA_BLEND |
+	   ENABLE_ALPHA_BLENDFUNC |
+	   ABLENDFUNC_ADD);
+
+   OUT_RING(_3DSTATE_FOG_COLOR_CMD |
+	   FOG_COLOR_RED(0) |
+	   FOG_COLOR_GREEN(0) |
+	   FOG_COLOR_BLUE(0));
+
+   OUT_RING(_3DSTATE_CONST_BLEND_COLOR_CMD);
+   OUT_RING(0);
+
+   OUT_RING(_3DSTATE_MODES_1_CMD |
+	   ENABLE_COLR_BLND_FUNC |
+	   BLENDFUNC_ADD |
+	   ENABLE_SRC_BLND_FACTOR |
+	   SRC_BLND_FACT(BLENDFACTOR_ONE) |
+	   ENABLE_DST_BLND_FACTOR |
+	   DST_BLND_FACT(BLENDFACTOR_ZERO)); 
+   OUT_RING(_3DSTATE_MODES_2_CMD |
+	   ENABLE_GLOBAL_DEPTH_BIAS |
+	   GLOBAL_DEPTH_BIAS(0) |
+	   ENABLE_ALPHA_TEST_FUNC|
+	   ALPHA_TEST_FUNC(0) | /* always */
+	   ALPHA_REF_VALUE(0));
+   OUT_RING(_3DSTATE_MODES_3_CMD |
+	   ENABLE_DEPTH_TEST_FUNC |
+	   DEPTH_TEST_FUNC(0x2) | /* COMPAREFUNC_LESS */
+	   ENABLE_ALPHA_SHADE_MODE |
+	   ALPHA_SHADE_MODE(SHADE_MODE_LINEAR)
+	   | ENABLE_FOG_SHADE_MODE |
+	   FOG_SHADE_MODE(SHADE_MODE_LINEAR) |
+	   ENABLE_SPEC_SHADE_MODE |
+	   SPEC_SHADE_MODE(SHADE_MODE_LINEAR) |
+	   ENABLE_COLOR_SHADE_MODE |
+	   COLOR_SHADE_MODE(SHADE_MODE_LINEAR)
+	   | ENABLE_CULL_MODE | CULLMODE_NONE);
+
+   OUT_RING(_3DSTATE_MODES_4_CMD |
+	   ENABLE_LOGIC_OP_FUNC |
+	   LOGIC_OP_FUNC(LOGICOP_COPY) |
+	   ENABLE_STENCIL_TEST_MASK |
+	   STENCIL_TEST_MASK(0xff) |
+	   ENABLE_STENCIL_WRITE_MASK |
+	   STENCIL_WRITE_MASK(0xff));
+
+   OUT_RING(_3DSTATE_STENCIL_TEST_CMD |
+	   ENABLE_STENCIL_PARMS |
+	   STENCIL_FAIL_OP(0) | /* STENCILOP_KEEP */
+	   STENCIL_PASS_DEPTH_FAIL_OP(0) | /* STENCILOP_KEEP */
+	   STENCIL_PASS_DEPTH_PASS_OP(0) | /* STENCILOP_KEEP */
+	   ENABLE_STENCIL_TEST_FUNC |
+	   STENCIL_TEST_FUNC(0) | /* COMPAREFUNC_ALWAYS */
+	   ENABLE_STENCIL_REF_VALUE |
+	   STENCIL_REF_VALUE(0));
+
+   OUT_RING(_3DSTATE_MODES_5_CMD |
+	   FLUSH_TEXTURE_CACHE |
+	   ENABLE_SPRITE_POINT_TEX |
+	   SPRITE_POINT_TEX_OFF |
+	   ENABLE_FIXED_LINE_WIDTH |
+	   FIXED_LINE_WIDTH(0x2) |       /* 1.0 */
+	   ENABLE_FIXED_POINT_WIDTH |
+	   FIXED_POINT_WIDTH(1));
+
+   OUT_RING(_3DSTATE_ENABLES_1_CMD |
+	   DISABLE_LOGIC_OP |
+	   DISABLE_STENCIL_TEST |
+	   DISABLE_DEPTH_BIAS |
+	   DISABLE_SPEC_ADD |
+	   DISABLE_FOG |
+	   DISABLE_ALPHA_TEST |
+	   ENABLE_COLOR_BLEND |
+	   DISABLE_DEPTH_TEST);
+   OUT_RING(_3DSTATE_ENABLES_2_CMD |
+	   DISABLE_STENCIL_WRITE |
+	   ENABLE_TEX_CACHE |
+	   DISABLE_DITHER |			
+	   ENABLE_COLOR_MASK |
+	   ENABLE_COLOR_WRITE |
+	   DISABLE_DEPTH_WRITE);
+
+   OUT_RING(_3DSTATE_STIPPLE); 
+
+   /* Set default blend state */
+   OUT_RING(_3DSTATE_MAP_BLEND_OP_CMD(0) |
+	   TEXPIPE_COLOR |
+	   ENABLE_TEXOUTPUT_WRT_SEL |
+	   TEXOP_OUTPUT_CURRENT |
+	   DISABLE_TEX_CNTRL_STAGE |
+	   TEXOP_SCALE_1X |
+	   TEXOP_MODIFY_PARMS |
+	   TEXOP_LAST_STAGE | TEXBLENDOP_ARG1);
+   OUT_RING(_3DSTATE_MAP_BLEND_OP_CMD(0) |
+	   TEXPIPE_ALPHA |
+	   ENABLE_TEXOUTPUT_WRT_SEL |
+	   TEXOP_OUTPUT_CURRENT |
+	   TEXOP_SCALE_1X |
+	   TEXOP_MODIFY_PARMS | TEXBLENDOP_ARG1);
+   OUT_RING(_3DSTATE_MAP_BLEND_ARG_CMD(0) |
+	   TEXPIPE_COLOR |
+	   TEXBLEND_ARG1 |
+	   TEXBLENDARG_MODIFY_PARMS |
+	   TEXBLENDARG_DIFFUSE);
+   OUT_RING(_3DSTATE_MAP_BLEND_ARG_CMD(0) |
+	   TEXPIPE_ALPHA |
+	   TEXBLEND_ARG1 |
+	   TEXBLENDARG_MODIFY_PARMS |
+	   TEXBLENDARG_DIFFUSE);
+
+   OUT_RING(_3DSTATE_AA_CMD |
+	   AA_LINE_ECAAR_WIDTH_ENABLE |
+	   AA_LINE_ECAAR_WIDTH_1_0 |
+	   AA_LINE_REGION_WIDTH_ENABLE |
+	   AA_LINE_REGION_WIDTH_1_0 |
+	   AA_LINE_DISABLE);
+
    ADVANCE_LP_RING();
 }